34 



usually forming a branched panicle or brachiate cjme on 

 numerous capitules : special pedicels short or scarcely any. 



GENUS I. BOEEHAAVIA. 



Diandria monogynia. Sex: St/st: 



Deriv. Named after the celebrated Leyden physician Boer- 

 haave. 



GrBW. Chae. Braeteoles usually deciduous : perianth 2-parted 

 in the middle, lower portion cylindric or obconical, dark, per- 

 sistent, upper funnel-shaped or campanulate, coloured, deciduous, 

 5-lobed at the apex : stamens 1, 2, 3, seldom 4, springing from 

 the base below the ovary, combining into a ring, often a little 

 exceeding the perianth : anthers minute, round, 2-celled : ovary 

 small, acute, surrounded and enclosed by the base of the perianth 

 and stamens : style equalling the stamens : stigma obtuse : fruit 

 surrounded by the hardened, often 5-ribbed base of the perianth, 

 cylindric-obeonical, truncated at the apex, rounded or acute, 

 closed : seed 1 : albumen mealy. — Herbs, annual or fruticose at 

 the root : stems scandent, diffuse or creeping : leaves opposite, 

 usually petioled : flowers arranged in irregular glomerules, some- 

 times ending in single axillary peduncles or diffused in extended 

 panicles, more rarely forming a regular umbel, or verticels or 

 spikes, small : perianth or fruit often clammy-glutinous. 



(1) B. DiirrsA. {Linn.) 



Ident. Linn. ?p. 4. — Dec. prod. XIII. s. 2. p. 452. — Eoxb. 

 flor. Ind. I. 148. 



Syn. B. procumbens, Boxl. — B. erecta et diandra, Bvrm. 



Engrav. Wight's Icon. t. 874.— Burm. Ind. t. 3. figs. 1—2.— 

 Eheede Mai. VII. t. 56. 



Sbeo. Chae. G-labrous or seldom pubescent : leaves entire or 

 ^aved, lanceolate or ovate, acute or obtuse : peduncles or flower- 

 bearing branchlets very slender, younger ones solitary, bearing a 

 capitule at the apex, afterwards expanded and luxuriantly 

 panicled : fruit slender, acute, striated, subclavate : flowers pale 

 rose. 



Ooromandel. Travancore. Flowering nearly all the year. 



(2) B. EEPANDA. (WilU.) 

 Ident. Dec. 1. e. p. 455. — "Willd. spec. I. p. 22. 

 Syn. Valeriana Chinensis, Burm. — B. umbeUata, B. W. 

 Mngrm. Wight's Icon. t. 1766.— Burm. Ind. t. 6. fig. 3. 

 Spec. Chae. Stems diffuse, climbing, glabrous : leaves cordate- 



